Both Mr Judge and Dr Douglas quit the government to become independents on the same day late last month.

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Dr Douglas says the public deserve an explanation.

Ads featuring him accusing Premier Campbell Newman of lying over his removal from a committee position have hit free-to-air television.

He said more ads featuring Mr Judge will begin screening at the start of this week.

"He explains why he left and will help people see the government for what it is - a chaotic rabble," Dr Douglas said.

In his commercial Dr Douglas says: "I was removed because I was dealing with matters government didn't like."

The Gold Coast MP was heading the ethics committee's investigation into sidelined transport department director-general Michael Caltabiano who is accused of misleading parliament over his previous business relations with the son of Arts Minister Ros Bates, Ben Gommers.

The Crime and Misconduct Commission is investigating Mr Gommers' appointment to a senior role in Mr Caltabiano's department.

Mr Judge resigned after refusing to pledge loyalty to Mr Newman; a request made after veteran MP Ray Hopper defected from the LNP to Katter's Australian Party.